Patents by Inventor Frank C. Rossitto

Frank C. Rossitto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230416444
    Abstract: An aspartate-terminated prepolymer can be a reaction product of a reaction mixture including an aliphatic NCO-terminated prepolymer having an NCO content of from 0.5% to 15% and a number average NCO functionality of <2, and a compound according to formula (I) wherein, X represents a linear or branched aliphatic group obtained by removing amino groups from a linear or branched aliphatic polyamine, R1 and R2 are identical or different and represent organic groups which are inert towards isocyanate groups at a temperature of 100° C. or less, R3 and R4 are identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100° C. or less, n represents an integer with a value of at least 2. The aliphatic NCO-terminated prepolymer can the compound according to formula I can be combined at an NCO:NH equivalent ratio of 1:1.5 to 1:5.
    Type: Application
    Filed: June 23, 2022
    Publication date: December 28, 2023
    Inventors: Raymond Zeliznik, Charles A. Gambino, Karl W. Haider, Frank C. Rossitto
  • Patent number: 7357949
    Abstract: The invention relates to a microcapsule comprising an inorganic antimicrobial agent coated with a hydrophilic polymer. The hydrophilic polymer is able to absorb sufficient water as to enable the action of the encapsulated antimicrobial agent. These microcapsules are useful to impart antimicrobial activity and can be used in polymer compositions, sprays and coatings. A method of preparing the microcapsule by treatment of the antimicrobial agent with a solution of the hydrophilic polymer is provided. Another embodiment of the invention is a method of preparing the microcapsule by coating of the antimicrobial agent with a polymer precursor followed by treatment with a reactive ingredient. Another embodiment of the invention is a method of preparing the microcapsule by melt compounding the antimicrobial agent with the hydrophilic polymer followed by grinding to the desired particle size. Polymer compositions comprising the microcapsules and a matrix polymer are also provided.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: April 15, 2008
    Assignee: Agion Technologies Inc.
    Inventors: Jeffrey A. Trogolo, Frank C. Rossitto, Edward K. Welch, II
  • Patent number: 7354605
    Abstract: According to the present invention there are provided antimicrobial catheters and other medical devices having controlled release of an antimicrobial metal or metal ion. Specifically, antimicrobial catheters and other medical devices manifest antimicrobial properties as a result of the incorporation therein of antimicrobial microcapsules comprising an inorganic antimicrobial agent and a hydrophilic polymer.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: April 8, 2008
    Assignee: Aglon Technologies Inc.
    Inventors: Jeffrey A. Trogolo, Frank C. Rossitto, Edward K. Welch, II
  • Publication number: 20030118658
    Abstract: The invention relates to a high aspect ratio microcapsule comprising an inorganic antimicrobial agent coated with a hydrophilic polymer. The hydrophilic polymer is able to absorb sufficient water as to enable the action of the encapsulated antimicrobial agent. These high aspect ratio microcapsules are useful to impart antimicrobial activity and can be used in polymer compositions, sprays and coatings. A method of preparing the high aspect ratio microcapsule by melt compounding and fabrication of the antimicrobial agent with the hydrophilic polymer is provided. Polymer compositions comprising the high aspect ratio microcapsules and a matrix polymer are also provided. Another embodiment of the invention is an article prepared from the polymer compositions comprising the high aspect ratio microcapsules and a matrix polymer.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 26, 2003
    Inventors: Jeffrey A. Trogolo, Frank C. Rossitto, Edward K. Welch
  • Publication number: 20030118664
    Abstract: The invention relates to a microcapsule comprising an inorganic antimicrobial agent coated with a hydrophilic polymer. The hydrophilic polymer is able to absorb sufficient water as to enable the action of the encapsulated antimicrobial agent. These microcapsules are useful to impart antimicrobial activity and can be used in polymer compositions, sprays and coatings. A method of preparing the microcapsule by treatment of the antimicrobial agent with a solution of the hydrophilic polymer is provided. Another embodiment of the invention is a method of preparing the microcapsule by coating of the antimicrobial agent with a polymer precursor followed by treatment with a reactive ingredient. Another embodiment of the invention is a method of preparing the microcapsule by melt compounding the antimicrobial agent with the hydrophilic polymer followed by grinding to the desired particle size. Polymer compositions comprising the microcapsules and a matrix polymer are also provided.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 26, 2003
    Inventors: Jeffrey A. Trogolo, Frank C. Rossitto, Edward K. Welch
  • Patent number: 5962541
    Abstract: NCO-terminated prepolymers are made by reacting a polymeric diphenylmethane diisocyanate (PMDI) and a polyol having a functionality of from about 1.8 to about 4.0 and a molecular weight of from about 400 to about 2,000. The PMDI and polyol are reacted in amounts such that the equivalent ratio of isocyanate groups to hydroxyl groups is from about 15:1 to about 160:1. These prepolymers are useful in the production of polyurethane foams, particularly laminated foams.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: October 5, 1999
    Assignee: Bayer Corporation
    Inventors: Brian H. Peterson, Frank C. Rossitto, William J. Nicola, Jr., Clarence D. Blue